Bosch DBSW961 Speedwave 9" Segmented Diamond Blade Superior Laser Fusion production technology (patented) - Optimized distribution and integration of diamonds Outstanding cutting speed Outstanding lifetime Unique wave shaped segments (patent pending) - Reduced friction on side faces Outstanding cutting speed Unique Cooling Disc with Vibration-damping benefits - Reduces blade temperature, more running smoothness Outstanding lifetime World-Class in speed & life Extremely robust and outstanding lifetime, suitable for some metal